/* eslint-disable vue/no-unused-vars */
/* eslint-disable vue/no-unused-vars */
<template>
  <div>
      <!-- 面包屑导航区域 -->
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
      </el-breadcrumb>

      <!-- 卡片视图区域 -->
      <el-card>
        <!-- 搜索与添加区域 -->
        <el-row :gutter='20'>
            <el-col :span='8'>
                <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                    <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                </el-input>
            </el-col>
            <el-col :span='4'>
                <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
            </el-col>
        </el-row>
        <!-- 用户列表区域 -->
        <el-table :data="userlist" border stripe>
          <el-table-column label="#" type="index"></el-table-column>
          <el-table-column prop="username" label="姓名"></el-table-column>
          <el-table-column prop="email" label="邮箱"></el-table-column>
          <el-table-column prop="mobile" label="电话"></el-table-column>
          <el-table-column prop="role_name" label="角色"></el-table-column>
          <el-table-column prop="mg_state" label="状态">
            <template slot-scope="scope">
              <el-switch @change="userStateChanged(scope.row)" v-model="scope.row.mg_state"></el-switch>
            </template>
          </el-table-column>
          <el-table-column label="操作" width="180px">
            <template slot-scope="scope">
              <!-- 修改按钮 -->
              <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
              <!-- 删除按钮 -->
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
              <!-- 分配角色按钮 -->
              <el-tooltip :enterable="false" effect="dark" content="分配角色" placement="top">
                <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRoles(scope.row)"></el-button>
              </el-tooltip>
            </template>
          </el-table-column>
        </el-table>

        <!-- 分页区域 -->
        <el-pagination @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 3, 4]"
        :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper"
        :total="total">
        </el-pagination>
      </el-card>

      <!-- 添加用户的对话框 -->
      <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
        <!-- 内容主体 -->
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
      </el-dialog>

      <!-- 修改用户的对话框 -->
      <el-dialog title="修改用户信息" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
        <!-- 内容主体 -->
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
          <el-form-item label="用户名">
            <el-input v-model="editForm.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <!-- 底部内容 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
      </el-dialog>

      <!-- 分配角色的对话框 -->
      <el-dialog title="角色分配" :visible.sync="setRolesDialogVisible" width="50%" @close="setRolesDialogClosed">
        <div>
          <p>当前的用户：{{userInfo.username}}</p>
          <p>当前的角色：{{userInfo.role_name}}</p>
          <p>分配新角色：
            <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id"> </el-option>
          </el-select>
          </p>
        </div>
        <span slot="footer" class="dialog-footer">
            <el-button @click="setRolesDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="saveRolesInfo">确 定</el-button>
        </span>
    </el-dialog>

  </div>
</template>

<script>
export default {
  data () {
    // 验证邮箱的规则
    var checkEmail = (rule, value, callback) => {
      const regEmail = /^[a-zA-Z0-9_-]+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if (regEmail.test(value)) return callback()
      callback(new Error('请输入合法的邮箱'))
    }
    // 验证手机号的规则
    var checkMobile = (rule, value, callback) => {
      const regMobile = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (regMobile.test(value)) return callback()
      callback(new Error('请输入合法的手机号'))
    }
    return {
      userlist: [],
      // 获取用户列表的参数
      queryInfo: {
        query: '',
        // 当前页数
        pagenum: 1,
        // 当前每页显示数据条数
        pagesize: 2
      },
      total: 0,
      // 控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
      // 控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 控制分配角色对话框的显示与隐藏
      setRolesDialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有角色列表
      rolesList: [],
      // 保存已经选中的角色id值
      selectedRoleId: '',
      // 添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 查询到的用户信息
      editForm: { },
      // 添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]

      },
      // 修改表单的验证规则对象
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      }
    }
  },
  created () {
    this.getUserList()
    // console.log(this.queryInfo)
  },
  methods: {
    async getUserList () {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      // console.log(res)
      if (res.meta.status !== 200) return this.$message.error('获取用户列表失败')
      this.userlist = res.data.users
      // console.log('qqq')
      this.total = res.data.total
    },
    // 监听 pagesize 改变的事件
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      // console.log(newSize)
      this.getUserList()
    },
    // 监听 pagenum 改变的事件
    handleCurrentChange (newPage) {
      // console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听switch开关状态的改变
    async userStateChanged (userInfo) {
      // eslint-disable-next-line no-template-curly-in-string
      const { data: res } = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('更新用户状态成功')
    },
    // 监听添加用户对话框的关闭
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    // 监听修改用户对话框的关闭事件
    editDialogClosed () {
      this.$refs.editFormRef.resetFields()
    },
    // 点击按钮，添加新用户
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        // eslint-disable-next-line no-useless-return
        if (!valid) return
        // 可以发起添加用户的网络请求
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) {
          return this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        // 隐藏添加用户的对话框
        this.addDialogVisible = false
        // 重新获得用户列表
        this.getUserList()
      })
    },
    // 展示编辑用户的对话框
    async showEditDialog (id) {
      // console.log(id)
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) return this.$message.error('查询用户失败')
      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 修改用户信息并提交
    editUserInfo () {
      this.$refs.editFormRef.validate(async valid => {
        // eslint-disable-next-line no-useless-return
        if (!valid) return
        // 可以发起修改用户的网络请求
        const { data: res } = await this.$http.put('users/' + this.editForm.id, this.editForm)
        if (res.meta.status !== 200) {
          return this.$message.error('修改用户失败')
        }
        this.$message.success('修改用户成功')
        // 隐藏添加用户的对话框
        this.editDialogVisible = false
        // 重新获得用户列表
        this.getUserList()
      })
    },
    // 根据ID删除对应的用户信息
    async removeUserById (id) {
      // 弹框询问是否删除用户
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      // 如果确定删除，返回 confirm
      // 如果取消删除，返回 cancel
      if (confirmResult !== 'confirm') return this.$message.info('已取消删除')
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败')
      }
      this.$message.success('删除用户成功')
      // 重新获得用户列表
      this.getUserList()
    },
    // 展示分配角色的对话框
    async setRoles (userInfo) {
      this.userInfo = userInfo
      // 再展示对话框之前获取所有的角色列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败!')
      }
      this.rolesList = res.data
      this.setRolesDialogVisible = true
    },
    // 点击按钮,分配角色
    async saveRolesInfo () {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色!')
      }
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, {
        rid: this.selectedRoleId
      })
      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败!')
      }
      this.$message.success('更新角色成功!')
      this.getUserList()
      this.setRolesDialogVisible = false
    },
    // 分配角色对话框关闭
    setRolesDialogClosed () {
      this.selectedRoleId = ''
      this.userInfo = ''
    }
  }
}
</script>

<style lang="less" scoped>
.el-table{
  margin-top: 15px;
  font-size: 12px;
}

.el-pagination{
  margin-top: 15px;
}

</style>
